Soak 1 rice paper wrapper in shallow bowl of hot water 10 sec. or just until softened; place on clean tea towel. Spoon 2 Tbsp. vermicelli down centre of wrapper; top with 5 carrot sticks, 5 cucumber sticks, 3 onion strips, 4 pepper strips, 1 avocado slice, 2 cilantro leaves and 1 tsp. dressing mixture. Fold bottom third of wrapper over filling, then roll up from 1 short side. Moisten edge of wrapper; press to vegetable roll to seal. Repeat with remaining wrappers.